Description: Cut perfectly fitted tongue and groove joints ideal for wood flooring, wainscot paneling and shaker style panel doors. Set includes separate tongue and groove bits eliminating reassembly for each cut. C3 industrial quality micro-grain tungsten carbide cutters, build-up & heat resistant coating, with anti-kickback design. Sharp edge, high hardness, accurate positioning, high precision, smooth cutting, Impact resistance, high hardness. Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole. The cutter is sharp and durable, chief adopt arc curve design, beneficial for machining, drilling is more efficient. Suitable for hand electric drill, drilling machine with support of motor and belt type mobile drill magnetism. Specification: Body: Solid hardened Steel Shank: 1/4'' Cutter Length : 7/8'', 1-1/8'' Cutter Width: 3/8'', 1-5/16'' Total length: 2-13/16'', 3-1/8'' Package Includes: 1 Set Tongue and Groove Router Bit Set(3Pcs) Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test